#ifndef GLSL_H
#define GLSL_H
#define GL_GLEXT_PROTOTYPES
#include <QGLWidget>

// quick and dirty implementation of GLSL awaiting the release of QT4.6 that supports GLSL natively
extern GLint pMidValue;
extern GLint pGrayScale;

void GLSLsetShader();
void GLSLsetGray(double midValue, double grayScale);

#endif // GLSL_H
